using System;
using TINK.Model.State;
using TINK.MultilingualResources;
using TINK.ViewModel.Bikes.Bike;

namespace TINK.ViewModel
{
    public class MyBikeInUseStateInfoProvider : IInUseStateInfoProvider
    {
        /// <summary> Gets reserved into display text. </summary>
        /// <todo>Log unexpeced states.</todo>
        /// <returns>Display text</returns>
        public string GetReservedInfo(
            TimeSpan? remainingTime,
            string stationId = null,
            string code = null)
        {
            if (remainingTime == null)
            {
                // Reamining time is not available.
                if (stationId == null)
                {

                    if (string.IsNullOrEmpty(code))
                    {
                        // Code is not avilable
                        return string.Format(AppResources.StatusTextReservationExpiredMaximumReservationTime, StateRequestedInfo.MaximumReserveTime.Minutes);
                    }

                    return string.Format(AppResources.StatusTextReservationExpiredCodeMaxReservationTime, code, StateRequestedInfo.MaximumReserveTime.Minutes);
                }

                if (string.IsNullOrEmpty(code))
                {
                    return string.Format(AppResources.StatusTextReservationExpiredLocationMaxReservationTime, stationId, StateRequestedInfo.MaximumReserveTime.Minutes);
                }

                return string.Format(AppResources.StatusTextReservationExpiredCodeLocationMaxReservationTime, code, stationId, StateRequestedInfo.MaximumReserveTime.Minutes);
            }

            if (!string.IsNullOrEmpty(stationId))
            {
                if (!string.IsNullOrEmpty(code))
                {
                    return string.Format(
                        AppResources.StatusTextReservationExpiredCodeLocationReservationTime,
                        code,
                        ViewModelHelper.GetStationName(stationId),
                        remainingTime.Value.Minutes);
                }

                return string.Format(
                    AppResources.StatusTextReservationExpiredLocationReservationTime,
                    ViewModelHelper.GetStationName(stationId),
                    remainingTime.Value.Minutes);
            }

            return string.Format(
                AppResources.StatusTextReservationExpiredRemaining,
                remainingTime.Value.Minutes);
        }

        /// <summary>
        /// Gets booked into display text.
        /// </summary>
        /// <todo>Log unexpeced states.</todo>
        /// <returns>Display text</returns>
        public string GetBookedInfo(
            DateTime? from,
            string stationId = null,
            string code = null)
        {
            if (from == null)
            {
                return AppResources.StatusTextBooked;
            }

            if (!string.IsNullOrEmpty(code))
            {
                if (!string.IsNullOrEmpty(stationId))
                {
                    return string.Format(
                        AppResources.StatusTextBookedCodeLocationSince,
                        code,
                        ViewModelHelper.GetStationName(stationId),
                        from.Value.ToString(BikeViewModelBase.TIMEFORMAT));
                }

                return string.Format(AppResources.StatusTextBookedCodeSince, code, from.Value.ToString(BikeViewModelBase.TIMEFORMAT));
            }

            return string.Format(AppResources.StatusTextBookedSince, from.Value.ToString(BikeViewModelBase.TIMEFORMAT));
        }
    }
}